diff --git a/examples/arduino-tx/arduino-tx.ino b/examples/arduino-tx/arduino-tx.ino
index 3545cb4..080631e 100644
--- a/examples/arduino-tx/arduino-tx.ino
+++ b/examples/arduino-tx/arduino-tx.ino
@@ -6,6 +6,8 @@ const int kPinButton0 = 2;
 const int kPinButton1 = 4;
 
 void setup() {
+    Serial.begin(57600);
+
     pinMode(kPinLed0,    OUTPUT);
     pinMode(kPinSpeaker, OUTPUT);
     pinMode(kPinButton0, INPUT);
@@ -14,42 +16,42 @@ void setup() {
     delay(3000);
 
     digitalWrite(kPinLed0, HIGH);
-    GGWave::send(kPinSpeaker, "Hello!", GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "Hello!", GGWave::TX_ARDUINO_512_FASTEST);
     digitalWrite(kPinLed0, LOW);
 
     delay(2000);
 
     digitalWrite(kPinLed0, HIGH);
-    GGWave::send(kPinSpeaker, "This is a",   GGWave::TX_ARDUINO_512_FASTEST);
-    GGWave::send(kPinSpeaker, "ggwave demo", GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "This is a",   GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "ggwave demo", GGWave::TX_ARDUINO_512_FASTEST);
     digitalWrite(kPinLed0, LOW);
 
     delay(2000);
 
     digitalWrite(kPinLed0, HIGH);
-    GGWave::send(kPinSpeaker, "The arduino",      GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "The arduino",      GGWave::TX_ARDUINO_512_FASTEST);
     delay(200);
-    GGWave::send(kPinSpeaker, "transmits data",   GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "transmits data",   GGWave::TX_ARDUINO_512_FASTEST);
     delay(200);
-    GGWave::send(kPinSpeaker, "using sound",      GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "using sound",      GGWave::TX_ARDUINO_512_FASTEST);
     delay(200);
-    GGWave::send(kPinSpeaker, "through a buzzer", GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "through a buzzer", GGWave::TX_ARDUINO_512_FASTEST);
     digitalWrite(kPinLed0, LOW);
 
     delay(1000);
 
     digitalWrite(kPinLed0, HIGH);
-    GGWave::send(kPinSpeaker, "The sound is", GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "The sound is", GGWave::TX_ARDUINO_512_FASTEST);
     delay(200);
-    GGWave::send(kPinSpeaker, "decoded in a", GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "decoded in a", GGWave::TX_ARDUINO_512_FASTEST);
     delay(200);
-    GGWave::send(kPinSpeaker, "web page.",    GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "web page.",    GGWave::TX_ARDUINO_512_FASTEST);
     digitalWrite(kPinLed0, LOW);
 
     delay(1000);
 
     digitalWrite(kPinLed0, HIGH);
-    GGWave::send(kPinSpeaker, "Press the button!", GGWave::TX_ARDUINO_512_FASTEST);
+    GGWave::send_text(kPinSpeaker, "Press the button!", GGWave::TX_ARDUINO_512_FASTEST);
     digitalWrite(kPinLed0, LOW);
 }
 
@@ -58,6 +60,8 @@ int pressed = 0;
 bool isDown = false;
 
 void loop() {
+    Serial.println("hello");
+
     int but0 = digitalRead(kPinButton0);
     int but1 = digitalRead(kPinButton1);
 
@@ -73,7 +77,7 @@ void loop() {
         snprintf(txt, 16, "Pressed: %d", pressed);
 
         digitalWrite(kPinLed0, HIGH);
-        GGWave::send(kPinSpeaker, txt, GGWave::TX_ARDUINO_512_FASTEST);
+        GGWave::send_text(kPinSpeaker, txt, GGWave::TX_ARDUINO_512_FASTEST);
         digitalWrite(kPinLed0, LOW);
         pressed = 0;
     }
diff --git a/examples/arduino-tx/ggwave.h b/examples/arduino-tx/ggwave.h
index 2c433ec..f9423e5 100644
--- a/examples/arduino-tx/ggwave.h
+++ b/examples/arduino-tx/ggwave.h
@@ -910,6 +910,7 @@ void send(uint8_t pin, const uint8_t * data, const Parameters & parameters) {
     }
 
     noTone(pin);
+    digitalWrite(pin, LOW);
 }
 
 void send(uint8_t pin, const uint8_t * data, TxProtocolId protocolId = TX_ARDUINO_512_FASTEST) {
@@ -931,7 +932,7 @@ void send_text(uint8_t pin, const char * text, TxProtocolId protocolId = TX_ARDU
     char tx[kDataLength_bytes];
     memset(tx, 0, sizeof(tx));
     strncpy(tx, text, sizeof(tx));
-    send(pin, tx, protocolId);
+    send(pin, (uint8_t *) tx, protocolId);
 }
 
 }